On the map: every storm report logged this day.
On the map
Storm reports for August 3, 2017
On August 3, 2017, 25 hail, 87 damaging-wind and 5 tornado reports were logged across 24 states.
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On August 3, 2017, 25 hail, 87 damaging-wind and 5 tornado reports were logged across 24 states. The largest hail reported was 1.75″ (golf ball size) in Allegan County, MI.
Storm day runs 7 a.m. to 7 a.m. Eastern (12:00–12:00 UTC), the convention the Storm Prediction Center uses. Radar hail estimates start October 2019.
Storm reports by state
| State | Hail | Wind | Tornado | Largest hail |
|---|---|---|---|---|
| AZ | 0 | 20 | 1 | – |
| MD | 1 | 19 | 0 | 1.00″ |
| MI | 5 | 4 | 1 | 1.75″ |
| IL | 3 | 5 | 0 | 1.00″ |
| NM | 1 | 6 | 0 | 1.00″ |
| IN | 2 | 5 | 0 | 0.75″ |
| WI | 6 | 0 | 0 | 1.00″ |
| KS | 1 | 3 | 0 | 1.25″ |
| VA | 0 | 4 | 0 | – |
| CA | 1 | 2 | 0 | 1.00″ |
| NJ | 1 | 2 | 0 | 0.75″ |
| OH | 1 | 2 | 0 | 0.75″ |
| MN | 0 | 0 | 3 | – |
| DC | 0 | 3 | 0 | – |
| MA | 0 | 3 | 0 | – |
| ME | 1 | 1 | 0 | 1.50″ |
| OK | 1 | 1 | 0 | 0.88″ |
| WV | 0 | 2 | 0 | – |
| NY | 1 | 0 | 0 | 0.88″ |
| FL | 0 | 1 | 0 | – |
| UT | 0 | 1 | 0 | – |
| DE | 0 | 1 | 0 | – |
| PA | 0 | 1 | 0 | – |
| NV | 0 | 1 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Coffeyville, KS | 8,545 | 1.25″ |
| Milwaukee, WI | 563,531 | 1.00″ |
| West Allis, WI | 59,784 | 1.00″ |
| Wauwatosa, WI | 48,794 | 1.00″ |
| Round Lake Beach, IL | 27,091 | 1.00″ |
| Grayslake, IL | 21,262 | 1.00″ |
| Round Lake, IL | 18,654 | 1.00″ |
| Lindenhurst, IL | 14,564 | 1.00″ |
| Portales, NM | 11,789 | 1.00″ |
| Lake Villa, IL | 8,737 | 1.00″ |
| Hudsonville, MI | 7,985 | 1.00″ |
| Round Lake Park, IL | 7,836 | 1.00″ |
| Elm Grove, WI | 6,416 | 1.00″ |
| West Milwaukee, WI | 3,997 | 1.00″ |
| Hainesville, IL | 3,532 | 1.00″ |
| Round Lake Heights, IL | 2,599 | 1.00″ |
| Kenosha, WI | 99,578 | 0.88″ |
| Wheaton, IL | 53,741 | 0.88″ |
| Downers Grove, IL | 50,552 | 0.88″ |
| Bartlesville, OK | 38,355 | 0.88″ |
| Woodridge, IL | 34,103 | 0.88″ |
| Glen Ellyn, IL | 28,872 | 0.88″ |
| Lisle, IL | 23,548 | 0.88″ |
| Pleasant Prairie, WI | 21,802 | 0.88″ |
| Antioch, IL | 15,108 | 0.88″ |
Hail reports (25)
| Time (UTC) | Size | Location |
|---|---|---|
| 17:35 | 1.75″ | Allegan County, MI |
| 18:00 | 1.50″ | Penobscot County, ME |
| 21:03 | 1.25″ | Montgomery County, KS |
| 18:26 | 1.00″ | Ottawa County, MI |
| 20:45 | 1.00″ | Milwaukee County, WI |
| 21:19 | 1.00″ | Baltimore County, MD |
| 21:54 | 1.00″ | Lake County, IL |
| 23:45 | 1.00″ | Los Angeles County, CA |
| 01:10 | 1.00″ | Roosevelt County, NM |
| 16:30 | 0.88″ | Lewis County, NY |
| 18:31 | 0.88″ | Jefferson County, WI |
| 19:38 | 0.88″ | DuPage County, IL |
| 20:49 | 0.88″ | Milwaukee County, WI |
| 21:54 | 0.88″ | Lake County, IL |
| 22:27 | 0.88″ | Kenosha County, WI |
| 01:20 | 0.88″ | Roscommon County, MI |
| 10:30 | 0.88″ | Washington County, OK |
| 17:48 | 0.75″ | Lapeer County, MI |
| 18:15 | 0.75″ | Jefferson County, WI |
| 18:58 | 0.75″ | St. Joseph County, IN |
| 20:10 | 0.75″ | Sheboygan County, WI |
| 21:30 | 0.75″ | Burlington County, NJ |
| 21:50 | 0.75″ | Manistee County, MI |
| 23:44 | 0.75″ | Seneca County, OH |
| 00:10 | 0.75″ | Allen County, IN |
Damage, injuries and deaths
National Weather Service offices recorded about $4.3 million in property damage, $15,000 in crop damage, 6 injuries and 2 deaths from hail, thunderstorm wind and tornadoes across the US on this storm day (117 events in 24 states). Injuries and deaths are those the events caused directly.
| County | Events | Injuries | Deaths | Property damage |
|---|---|---|---|---|
| Baltimore County, MD | 1 | 3 | 1 | – |
| Fulton County, IN | 1 | 0 | 1 | – |
| Brevard County, FL | 1 | 3 | 0 | $50,000 |
| Roosevelt County, NM | 2 | 0 | 0 | $3.4 million |
| Imperial County, CA | 2 | 0 | 0 | $280,000 |
| Maricopa County, AZ | 13 | 0 | 0 | $242,000 |
| Yuma County, AZ | 4 | 0 | 0 | $135,000 |
| Antrim County, MI | 1 | 0 | 0 | $55,000 |
| La Paz County, AZ | 1 | 0 | 0 | $50,000 |
| Rio Arriba County, NM | 1 | 0 | 0 | $50,000 |
| Vermilion County, IL | 1 | 0 | 0 | $32,000 |
| Pima County, AZ | 1 | 0 | 0 | $7,000 |
What the National Weather Service wrote
- Baltimore County, MD (near Timonium) · Thunderstorm wind 58 mph · 1 death · 3 injuries
“A tree fell onto a vehicle near Pot Spring Road and Deer Fox Lane. The tree falling onto the vehicle resulted in one fatality and three injuries.” - Fulton County, IN (near Bruce Lake) · Thunderstorm wind 58 mph · 1 death
“A 45 year old male, riding a moped, struck a downed tree on State Route 17, near County Road 200 North. The driver was ejected and pronounced dead at a local hospital. The time noted for this entry was when the accident happened.” - Brevard County, FL (near Cape Canaveral) · Thunderstorm wind 64 mph · $50,000 · 3 injuries
“Photos and information provided by Brevard County Emergency Management and local media helped confirm that a thunderstorm produced a microburst which impacted a portion of the Cocoa Beach Pier.” - Roosevelt County, NM (near Dora) · Thunderstorm wind 81 mph · $2 million
“Severe winds downed a one mile stretch of power poles four miles south-southeast of Portales. Metal roofing material was blown several hundred feet away. A large pivot irrigation system was also blown over.” - Roosevelt County, NM (near Rogers) · Thunderstorm wind 81 mph · $1.4 million
“Straight line wind gusts estimated up to 85 mph tore the roofs of several buildings three miles south of Portales. Hail and high winds also damaged vehicles in the area.” - Imperial County, CA (near Seeley) · Thunderstorm wind 60 mph · $250,000
“Scattered thunderstorms developed across the western portion of the Imperial Valley during the afternoon hours on August 3rd and some of the stronger storms produced gusty and damaging outflow winds.”
Event narratives from NWS Storm Data, shortened. Up to six per day, chosen by deaths, injuries, damage and size.
Source: NOAA National Centers for Environmental Information (NCEI), Storm Events Database, as entered by National Weather Service offices; data through July 31, 2026. Damage is in dollars of the year, not adjusted for inflation.
NWS Tornado Damage Surveys for August 3, 2017
National Weather Service survey teams mapped 1 tornado path from this storm day (1 EF0), 0 miles in all. The map above draws each surveyed path as the NWS mapped it, colored by the EF rating of each stretch, in place of the straight start-to-end line.
| Rating | Peak wind | Path length | Max width | Deaths / injuries | On the ground | Surveyed by |
|---|---|---|---|---|---|---|
| EF0 | 80 mph | 0.1 mi | 55 yd | 0 / 0 | 22:10–22:12 UTC | NWS Gaylord |
Source: NOAA National Weather Service Damage Assessment Toolkit (DAT): the tornado paths and EF-rating zones NWS survey teams mapped after each storm. Survey data are preliminary and can be revised; NOAA's official record is Storm Data (NCEI). Paths are simplified to about 30 m. Times are when the tornado was on the ground, in UTC.
Guides: What radar-estimated hail (MESH) is and isn't · Storm reports: preliminary vs final
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